A significant part of these on-road emissions used to come from the crankcase — up to 30%, according to a 1962 study — but thanks to changes in engine design, that's no longer true.

The crankcase heater is an electric resistance heater that is usually strapped on, clamped to the crankcase bottom, or inserted into a well within the compressor’s crankcase. The crankcase heater is ...

It is also known as the crankcase ventilation system. The PCV valve is a one-way valve attached to the crankcase of your car’s engine and removes unwanted gases from the crankcase. Your vehicle’s ...

In addition, the low-level vacuum draws in fresh air to the crankcase from the crankcase breather. In 99% of normal driving conditions, this is how a properly functioning PCV system works.

QUESTION: I have a boat powered with a 5.7 liter V-8 inboard engine. The crankcase hoses that go from the top of the valve covers and vent into the carburetor are always blowing steam. The engine h… ...

The crankcase breathers, cam covers, and fuel injection are all installed. The Hilborn injection works just like all mechanical injection systems with a positive displacement pump.

Although some maintenance schedules include an interval for replacing the positive crankcase ventilation, or PCV, valve, others may not. In the latter case, a general recommendation is to replace ...

Every engine has some sort of crankcase breathing system. The internal combustion process creates pressure, some of which makes its way past the piston rings-along with fuel vapors-and into the ...

If the crankcase pressure is too much, the cap will get blown off. Auto repair shops also have a few quick tests they can run to check for blow-by. Then, since you're already there, ...

Essentially, this crankcase works for most every 911 built from 1984 to 1998, save for ultra-rare 3.8-liter variants of the 964 and 993. Additionally, Porsche Classic is now selling entirely new ...

Where Is the Oil in a Car and What Does it Do? The typical engine has a large oil reservoir (the crankcase) that holds several quarts of oil. The oil is drawn from the crankcase oil pan into a tube ...

A significant part of these on-road emissions used to come from the crankcase — up to 30%, according to a 1962 study — but thanks to changes in engine design, that's no longer true.